diff --git a/EMS/common-bundle/src/Twig/CommonExtension.php b/EMS/common-bundle/src/Twig/CommonExtension.php
index 6cfd0f0e2..9931989ad 100644
--- a/EMS/common-bundle/src/Twig/CommonExtension.php
+++ b/EMS/common-bundle/src/Twig/CommonExtension.php
@@ -63,6 +63,7 @@ public function getFilters(): array
             new TwigFilter('ems_color', fn ($color) => new Color($color)),
             new TwigFilter('ems_array_intersect', $this->arrayIntersect(...)),
             new TwigFilter('ems_array_merge_recursive', $this->arrayMergeRecursive(...)),
+            new TwigFilter('ems_in_array', $this->inArray(...)),
             // deprecated
             new TwigFilter('array_key', $this->arrayKey(...), ['deprecated' => true, 'alternative' => 'ems_array_key']),
             new TwigFilter('format_bytes', Converter::formatBytes(...), ['deprecated' => true, 'alternative' => 'ems_format_bytes']),
@@ -70,6 +71,7 @@ public function getFilters(): array
             new TwigFilter('emsch_ouuid', $this->getOuuid(...), ['deprecated' => true, 'alternative' => 'ems_ouuid']),
             new TwigFilter('array_intersect', $this->arrayIntersect(...), ['deprecated' => true, 'alternative' => 'ems_array_intersect']),
             new TwigFilter('merge_recursive', $this->arrayMergeRecursive(...), ['deprecated' => true, 'alternative' => 'ems_array_merge_recursive']),
+            new TwigFilter('inArray', $this->inArray(...), ['deprecated' => true, 'alternative' => 'ems_in_array']),
         ];
     }
 
@@ -123,4 +125,12 @@ public function arrayMergeRecursive(array ...$arrays): array
     {
         return \array_merge_recursive($arrays);
     }
+
+    /**
+     * @param array<mixed> $haystack
+     */
+    public function inArray(mixed $needle, array $haystack): bool
+    {
+        return false !== \array_search($needle, $haystack, true);
+    }
 }
diff --git a/EMS/core-bundle/src/Twig/AppExtension.php b/EMS/core-bundle/src/Twig/AppExtension.php
index df3087148..7afd57bab 100644
--- a/EMS/core-bundle/src/Twig/AppExtension.php
+++ b/EMS/core-bundle/src/Twig/AppExtension.php
@@ -132,7 +132,6 @@ public function getFunctions(): array
     public function getFilters(): array
     {
         return [
-            new TwigFilter('inArray', $this->inArray(...)),
             new TwigFilter('firstInArray', $this->firstInArray(...)),
             new TwigFilter('md5', $this->md5(...)),
             new TwigFilter('convertJavaDateFormat', $this->convertJavaDateFormat(...)),
@@ -1027,14 +1026,6 @@ public function getTimeFieldTimeFormat(array $options): string
         return TimeFieldType::getFormat($options);
     }
 
-    /**
-     * @param array<mixed> $haystack
-     */
-    public function inArray(mixed $needle, array $haystack): bool
-    {
-        return false !== \array_search($needle, $haystack);
-    }
-
     /**
      * @param array<mixed> $haystack
      */
diff --git a/docs/upgrade.md b/docs/upgrade.md
index cf3dfe795..78252773d 100644
--- a/docs/upgrade.md
+++ b/docs/upgrade.md
@@ -48,6 +48,7 @@ E.g.:
 * `emsch_ouuid` must be replaced by `ems_ouuid`
 * `array_intersect` must be replaced by `ems_array_intersect`
 * `merge_recursive` must be replaced by `ems_array_merge_recursive`
+* `inArray` must be replaced by `ems_in_array`
 
 ### Deprecated twig function